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Lapatulllka [165]
2 years ago
11

Fractions and Percents HELP ME ☹️

Mathematics
2 answers:
vovangra [49]2 years ago
5 0

Answer:

1 (a) 27 ackees

(b) 45% were sold. Simplifying 27/60 = 9/20

2 (a) 30 were given. 80 - 20 = 60. 60 divided by 2 is 30.

b) 37.5% were given away. the fraction is 30/80, simplified 3/8. 3/8 = 0.375.

3 (a) 16 were going on a tour. 200 - 40 = 160. 1/10 or 10% of 160 is 16.

(b) 8%. 16/200 simplifies to 2/25. 2/25 = 0.08

Step-by-step explanation:

pls mark brainliest!

kolbaska11 [484]2 years ago
4 0

Answer:

\/    ANSWERS \/

Step-by-step explanation:

1A) 27

3B) 45%

2A) 20

2B) 25%

3A) 16

3B) 8%

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What is the solution to -3/4x
zubka84 [21]

Answer:

3x/4

Step-by-step explanation:

that's what I found. It would be better if u had more details in your question.

5 0
2 years ago
Find the unknown length y in the following pair of the similar triangles.
yulyashka [42]

Answer:

y = 9.75

Step-by-step explanation:

Since both triangles are said to be similar, the proportion or ratio of the sides of both triangles would be equal.

Therefore, 39/y = 23/5.75 = 35/8.75

Let's find y

39/y = 23/5.75

==>Cross multiply

39*5.75 = 23*y

224.25 = 23y

==>Divide both sides by 23

224.25/23 = y

9.75 = y

y = 9.75

Check:

Thus,

39/9.75 = 23/5.75 = 35/8.75 = 4

Our answer y, which is 9.75, is correct.

5 0
3 years ago
Lines AD and BC are parallel.
allochka39001 [22]

*see attachment for the missing figure

Answer:

Angle ADE = 45°

Angle DAE = 30°

Angle DEA = 105°

Step-by-step explanation:

Since lines AD and BC are parallel, therefore:

Given that angle Angle CBE = 45°,

Angle ADE = Angle CBE (alternate interior angles are congruent)

Angle ADE = 45° (Substitution)

Angle DAE = Angle ACB (Alternate Interior Angles are congruent)

Angle ACB = 180 - 150 (angles on a straight line theorem)

Angle ACB = 30°

Since angle DAE = angle ACB, therefore:

Angle DAE = 30°

Angle DEA = 180 - (angle ADE + angle DAE) (Sum of angles in a triangle)

Angle DEA = 180 - (45 + 30) (Substitution)

Angle DEA = 180 - 75

Angle DEA = 105°

8 0
3 years ago
I need help with this plzzzzzzz
zmey [24]

Answer: -4

Step-by-step explanation: If you add all the numbers marked, -7 + -4 + -3 + 2 + 7 you will get -4.

3 0
2 years ago
Simplify 4x-3(x-2). I'm stuck xD
alexira [117]

Answer:

Simplified = x + 6

4 0
2 years ago
Read 2 more answers
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